TriMas Ownership | Who Owns TriMas?

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TriMas Ownership Summary

TriMas is owned by 43.45% institutional investors, 25.16% insiders, and 31.39% retail investors. Vanguard group is the largest institutional shareholder, holding 8.82% of TRS shares. Allspring Special Small Cap Value A is the top mutual fund, with 3.75% of its assets in TriMas shares.

TRS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	TriMas	43.45%	25.16%	31.39%
Sector	Consumer Cyclical Stocks	255.90%	15.94%	-171.84%
Industry	Packaging & Containers Stocks	51.05%	20.02%	28.93%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	3.58M	8.82%	$127.01M
Blackrock	3.13M	7.64%	$80.07M
Blackrock funding, inc. /de	2.53M	6.76%	$113.94M
Dimensional fund advisors lp	2.26M	6.04%	$101.74M
Allspring global investments	1.90M	5.09%	$82.42M
Jefferies financial group	1.55M	3.84%	$55.69M
Vanguard capital management	1.41M	3.76%	$63.44M
Advisory research	1.21M	3.24%	$54.56M
Permian investment partners, lp	1.17M	3.11%	$52.48M
American century companies	1.15M	3.07%	$51.80M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Permian investment partners, lp	1.17M	5.76%	$52.48M
Advisory research	1.21M	5.44%	$54.56M
Kestrel investment management	149.55K	3.67%	$6.73M
Punch & associates investment management	807.29K	1.80%	$36.35M
Blue grotto capital	308.62K	1.38%	$11.93M
Evr research lp	50.00K	1.11%	$2.25M
J. goldman & co lp	482.16K	0.47%	$18.63M
Jefferies financial group	1.55M	0.38%	$55.69M
Oliver luxxe assets	54.49K	0.36%	$2.45M
Oberweis asset management inc/	362.00K	0.34%	$16.30M

Top Buyers

Holder	Shares	% Assets	Change
American century companies	1.15M	0.02%	919.94K
Punch & associates investment management	807.29K	1.80%	562.57K
Sixth street partners management company	424.87K	0.00%	424.87K
Oberweis asset management inc/	362.00K	0.34%	362.00K
Blue grotto capital	308.62K	1.38%	308.62K

Top Sellers

Holder	Shares	% Assets	Change
Bank of america corp /de/	309.55K	0.00%	-3.54M
Capital investors	-	-	-2.89M
Fiduciary management inc /wi/	-	-	-2.61M
River road asset management	-	-	-1.39M
Morgan stanley	395.38K	0.00%	-1.10M

New Positions

Holder	Shares	% Assets	Change	Value
Sixth street partners management company	424.87K	0.00%	424.87K	$19.13M
Oberweis asset management inc/	362.00K	0.34%	362.00K	$16.30M
Blue grotto capital	308.62K	1.38%	308.62K	$11.93M
Acadian asset management	281.45K	0.01%	281.45K	$12.66M
Norges bank	244.60K	0.00%	244.60K	$11.01M

Sold Out

Holder	Change
Ifp advisors	-1.00
Dunhill financial	-1.00
Stone house investment management	-12.00
Quarry lp	-14.00
Raleigh capital management	-15.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	95	-53.43%	17,220,981	-52.93%	43	0.54%	43	-57.84%	30	-60.00%
Dec 31, 2025	139	-35.05%	27,388,268	-29.94%	67	0.73%	67	-41.23%	50	-30.56%
Sep 30, 2025	201	21.82%	38,894,545	0.97%	95	1.06%	107	28.92%	70	18.64%
Jun 30, 2025	165	7.14%	38,519,456	-3.02%	94	0.99%	83	-1.19%	59	28.26%
Mar 31, 2025	152	4.11%	39,677,465	-2.01%	97	0.98%	83	23.88%	45	-6.25%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Allspring Special Small Cap Value A	1.34M	3.75%	-211.90K
FMI Common Stock Investor	1.45M	3.57%	-230.00K
Avantis US Small Cap Value ETF	1.09M	3.04%	7.25K
Vanguard Morn Total Stk Mkt Idx Investor	1.03M	2.87%	-135.50K
Vanguard Total Stock Mkt Idx Inv	1.03M	2.87%	-135.50K
Vanguard US Total Market Shares ETF	1.15M	2.83%	-197.60K
Advisory Research Partners	975.00K	2.40%	-
Vanguard Small Cap Index	737.66K	2.06%	-103.21K
iShares Russell 2000 ETF	701.22K	1.95%	-12.48K
Champlain Small Company Fund, LLC	739.28K	1.82%	-4.85K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 12, 2026	Tredwell Daniel P	-	Buy	$2.52K
Jun 30, 2026	Parker Herbert K	-	Sell	$675.47K
May 13, 2026	Tredwell Daniel P	-	Buy	$2.52K
May 05, 2026	Robin Jodi F.	General Counsel and Secretary	Sell	$123.28K
May 07, 2026	Robin Jodi F.	General Counsel and Secretary	Sell	$83.21K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	1	-
2026 Q2	1	3
2026 Q1	1	-
2025 Q4	2	-
2025 Q3	1	-

TRS Ownership FAQ

Who Owns TriMas?

TriMas shareholders are primarily institutional investors at 43.45%, followed by 25.16% insiders and 31.39% retail investors. The average institutional ownership in TriMas's industry, Packaging & Containers Stocks , is 51.05%, which TriMas falls below.

Who owns the most shares of TriMas?

TriMas’s largest shareholders are Vanguard group (3.58M shares, 8.82%), Blackrock (3.13M shares, 7.64%), and Blackrock funding, inc. /de (2.53M shares, 6.76%). Together, they hold 23.22% of TriMas’s total shares outstanding.

Does Blackrock own TriMas?

Yes, BlackRock owns 7.64% of TriMas, totaling 3.13M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 80.07M$. In the last quarter, BlackRock decreased its holdings by -27.274K shares, a -0.86% change.

Who is TriMas’s biggest shareholder by percentage of total assets invested?

Permian investment partners, lp is TriMas’s biggest shareholder by percentage of total assets invested, with 5.76% of its assets in 1.17M TriMas shares, valued at 52.48M$.

Who is the top mutual fund holder of TriMas shares?

Allspring Special Small Cap Value A is the top mutual fund holder of TriMas shares, with 3.75% of its total shares outstanding invested in 1.34M TriMas shares.

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